Mix all well. Add flour as necessary to make smooth elastic dough. Divide dough and roll out on floured surface to about 1/8" thick. Use a round cookie cutter or glass to cut out a 3" circle. Fill with 1/2 -2/3 teaspoon of filling in middle of circle.
To Shape: Lift up right and left sides, pinch together.Bring bottom flap up to center to meet 2 sides. Pinch edges together. Place on greased cookie sheet 1" apart. Bake in preheated 350* oven for 20 minutes.
Fillings: 1 pound prepared mohn filling (poppy seed) or 1 pound lekvar (apple or prune butter) or strawberry or apricot preserves